Tap Water Quality in Cincinnati, OH
Find out what's in your drinking water. Enter your ZIP code below for a detailed water quality report for Cincinnati, Ohio.
Try 45202 for Cincinnati
Cincinnati Drinking Water Overview
Population: ~310,000 | Source: Ohio River and Great Miami Buried Valley Aquifer
Greater Cincinnati Water Works draws from the Ohio River, treating water through one of the most advanced municipal treatment plants in the country. The utility uses granular activated carbon for year-round contaminant removal, including pesticides and industrial chemicals from upstream sources. Cincinnati's water quality is frequently rated among the best for a major river city.
Common water quality concerns in Cincinnati
Industrial upstream discharges
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PFAS
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Lead in older homes
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Atrazine
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What's in your Cincinnati water report
Contaminant levels
Every detected contaminant in your Cincinnati water system, compared to EPA limits and health guidelines.
Violation history
All EPA violations on record for water systems serving Cincinnati, including health-based and monitoring violations.
Water quality grade
An A through F grade based on violation history, contaminant levels, and health guideline comparisons.
Filter recommendations
Which type of water filter will actually remove the contaminants found in your specific water system.
Water quality in nearby cities
Check your Cincinnati water now
Enter your ZIP code for a free water quality report specific to your water system in Cincinnati, Ohio.